21 November 2013, 11:00 AM ET
See spectacular photographs taken by astronaut Mike Hopkins aboard the International Space Station during the Expedition 37/38 mission in 2013.
21 November 2013, 10:26 AM ET
NASA has captured an amazing new photo of the brightening Comet ISON, an image that reveals the comet's tail ahead of its rendezvous with the sun next week.
21 November 2013, 09:49 AM ET
Get the latest news on 3D printing in space. See how NASA and private companies are making space manufacturing and on-demand parts a reality.
21 November 2013, 07:00 AM ET
NASA astronaut Karen Nyberg is readjusting to life with two feet on the ground. Nyberg just returned to the Earth's surface after spending about 5.5 months living and working aboard the International Space Station.
21 November 2013, 06:45 AM ET
China's mission to robotically land on the moon next month is sure to stir up lunar dust, but it may also cause a political dustup too.
21 November 2013, 06:00 AM ET
The nonprofit Inspiration Mars Foundation aims to partner with NASA to send two astronauts on a flyby mission to the Red Planet in 2018. This has little chance of happening unless Congress and the White House approve the mission in the next few months.
20 November 2013, 03:59 PM ET
The Kennedy Space Center's Director (and former astronaut) shares his memories of building the International Space Station with SPACE.com's @MiriKramer and talks about its accomplishments.
20 November 2013, 03:44 PM ET
Many skywatchers tracking Comet ISON don't want to get their hopes up about the recent brightening of the possible "comet of the century."
20 November 2013, 03:36 PM ET
Inspiration Mars — which is led by multimillionaire Dennis Tito, the world's first space tourist — hopes to partner with NASA, using some of the space agency's equipment and an infusion of federal money to get off the launchpad by early January 2018.
20 November 2013, 03:36 PM ET
The recently returned to Earth NASA astronaut talks about adjusting to gravity and her time on the International Space Station with SPACE.com's @MiriKramer.
20 November 2013, 02:10 PM ET
The brilliant band of the Milky Way dazzles over Mount Rainier National Park in an amazing new image.
20 November 2013, 01:01 PM ET
See images and photos of an audacious private manned Mars mission in 2018 by the nonprofit Inspiration Mars Foundation.
20 November 2013, 01:01 PM ET
The Mars meteorite NWA 7533 is 4.4 billion years old and contains evidence of long-ago asteroid strikes, suggesting that the rock came from the Red Planet's ancient and cratered southern highlands, researchers said.
20 November 2013, 11:44 AM ET
A distant galaxy appears as a sliver in the night sky in this photo by an astrophotographer.
20 November 2013, 11:33 AM ET
NASA astronaut Karen Nyberg — fresh off an approximately six-month stay on the International Space Station — will answer questions from SPACE.com today (Nov. 20), and you can watch it live online.
20 November 2013, 10:49 AM ET
The first module (Zvezda) launched in 1998 and the station was completed in 2011. To date, over 1500 science experiments, 139 flights have been made by 68 partnering countries.
20 November 2013, 09:15 AM ET
The U.S. Air Force's Operationally Responsive Space Office's ORS-3 mission was launched from NASA Wallops in Virginia on Nov. 19, 2013. It carried the Space Test Program Satellite-3 (STPSat-3) and 28 cubesat satellites (some student built).
20 November 2013, 08:45 AM ET
The International Space Station celebrates its 15th birthday Wednesday (Nov. 20), marking the day in 1998 when a Russian rocket lifted the first piece of the orbiting lab into space.
20 November 2013, 07:42 AM ET
A dazzling rocket launch that hurled a record 29 satellites into orbit from Virginia's eastern shore Tuesday night was also visible to potentially millions of observers on the U.S. East Coast, thrilling skywatchers.
20 November 2013, 06:00 AM ET
An Orbital Sciences Minotaur 1 rocket will launch from Wallops Island, Va., on Nov. 19, containing satellites for the U.S. Department of Defense, NASA and other agencies.
20 November 2013, 05:55 AM ET
See spectacular photos of the Nov. 19, 2013 night launch of a Minotaur 1 rocket from NASA's Wallops Flight Facility on Wallops Island, Va., as seen by skywatchers along the U.S. East Coast.
19 November 2013, 08:20 PM ET
A rocket blasted 29 satellites into orbit Tuesday in a record-setting night launch that lit up the sky across the East Coast. The ORS-3 mission lifted off atop a Minotaur 1 rocket at 8:15 p.m. EST from NASA's Wallops Flight Facility in Virginia.
19 November 2013, 08:11 PM ET
After 15 years of construction, harrowing spacewalks and repairs, the International Space Station is still going strong in orbit around Earth.
19 November 2013, 07:16 PM ET
Comet ISON shows off its tail in this spectacular space wallpaper taken on Nov. 19, 2013, using a 14-inch telescope located at the Marshall Space Flight Center.
19 November 2013, 06:11 PM ET
The NASA missions of today are paving the way toward launching a manned mission to Mars by the 2030s, space agency officials said today (Nov. 17).
19 November 2013, 05:16 PM ET
Alexander Serebrov, a Soviet-era cosmonaut who once held the Guinness World Record for the most spacewalks and who was the first to test drive a "space motorcycle," has died at 69, according to Russia's federal space agency.
19 November 2013, 03:03 PM ET
NASA's newest moon orbiter LADEE is zapping data back to Earth via laser beam as part of a push to develop sophisticated interplanetary communications systems that don't rely on radio waves.
19 November 2013, 03:00 PM ET
See photos and images from NASA's LADEE mission to study moon dust and the lunar atmosphere like never before. The Lunar Atmosphere and Dust Environment Explorer launches in 2013 to probe the moon's tenuous atmosphere.
19 November 2013, 02:45 PM ET
The container is engineered to carry 11 receptacles, store them under 14˚F (-10˚C), and weigh less than 11lbs (5kg). It will land on Mars with a sample providing rover. When it is filled, it will launch and rendezvous with a return-trip spacecraft.
19 November 2013, 01:44 PM ET
The sun shot out a powerful solar flare early Tuesday (Nov. 19) morning. Though the flare was not pointed directly at Earth, it did cause a radio blackout at 5:26 a.m. EST (1026 GMT), when the sun fired off the flare, space weather experts say.
19 November 2013, 12:55 PM ET
See photos of the major X-class solar flares of May 2013 as seen by sun-watching spacecraft.
19 November 2013, 11:35 AM ET
The planet Mercury is known in some circles as the "elusive planet," but over the next two weeks, skywatchers will have an excellent opportunity to see Mercury in the early morning dawn sky.